The 680FP is a pressurized 680F and as such "is identical to the 680F except for the introduction of the cabin pressurization modification. The 680FP was Certified in 1961.
Note: All Specifications & Performances Data provided below are for Reference Only. See Piston Commander 680F(P) TCDS, POH/AFM, & ICA's for Model & S/N specific Specification & Performance Data.
Specification Performance Kit Finder
| Wingspn | 588.56' | 14.94m |
| Length | 421.25' | 10.69m |
| Height | 174′ | 4.41m |
| Tread | 155.00′ | 3.93m |
| Cabin Entry Door | 3.00" x 28.00" | 1.09 x 0.71m |
| Cabin Height (Inside Interior) | 53.00" | 1.34m |
| Cabin Length | 127.50′ | 1.32m |
| Cabin Width (Inside Interior) | 52.00′ | 1.32m |
| Cabin Volume | ft³ | 53.94m³ |
| Baggage compartment height | 23.00′ | 0.58m |
| Baggage compartment width | 47.00′ | 1.19m |
| Baggage compartment length | 31.00′ | 0.78m |
| Baggage compartment volume | 32.00 ft³ | 0.92 m³ |
| Baggage door height | 23.00′ | 0.58m |
| Baggage door width | 19.00′ | 0.48m |
| Baggage compartment load limit | 350 lbs | 158 kg |
(HC-B3Z-30-2B/9349)
IGSO-540-B1A
| Max Ramp Weight: | 8000 lbs / 3629 kg |
| Take-off Weight: | 8000 lbs / 3629 kg |
| Landing Weight: | 8000 lbs / 3629 kg |
| Standard Empty Weight: | 5050 lbs / 2290 kg |
| Useful Load: | 2950 lbs / 1338 kg |
| Normal Cruise Speed | |
| (70% NRP @ 10,000 ft) | 220 mph / 191 kts |
| Twin Engine Best Rate of Climb Speed (CAS): | 120 mph/ 104 kts |
| Minimum Control Speed (CAS): | 90 mph / 78 kts |
| Stall Speed, Clean (CAS): | 87 mph / 76 kts |
| Stall Speed, Gear and Flaps Down (CAS): | 77 mph / 67 kts |
| Max Range | 1310 SM / 1138 NM |
